485641837 has 2 divisors, whose sum is σ = 485641838. Its totient is φ = 485641836.

The previous prime is 485641813. The next prime is 485641853. The reversal of 485641837 is 738146584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483164361 + 2477476 = 21981^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 485641837 - 2¹¹ = 485639789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485641237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242820918 + 242820919.

It is an arithmetic number, because the mean of its divisors is an integer number (242820919).

Almost surely, 2^485641837 is an apocalyptic number.

It is an amenable number.

485641837 is a deficient number, since it is larger than the sum of its proper divisors (1).

485641837 is an equidigital number, since it uses as much as digits as its factorization.

485641837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The square root of 485641837 is about 22037.2828860547. The cubic root of 485641837 is about 786.0292324030.

The spelling of 485641837 in words is "four hundred eighty-five million, six hundred forty-one thousand, eight hundred thirty-seven".